Patents by Inventor Edmund Jay Sprong

Edmund Jay Sprong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4042155
    Abstract: A simplified adjustable fabric pleater guide particularly for use in spacing and forming pinch pleats in draperies. A scale is provided on a measuring stick which may be metrically calibrated, as well as calibrated in inches, while an index is provided on the adjustable fabric guide for rapidly and accurately setting the required primer pleats longitudinally on the fabric. A pinch pleat former is utilized to quickly and accurately divide the primary pleats into pinch pleats.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: August 16, 1977
    Inventor: Edmund Jay Sprong